v3.1.1

Changelog

6f1a1cb: 📖 Update README.md (#1160) (@olivekl)
c13783a: 🐛 Fixing parsing for Github workflow when matrix is an expression (@chrismcgehee)
faab696: Improve formatting, readability (@chrismcgehee)
6f1a43a: 🌱 add google/ko support for building/pusing container image (#1127) (@developer-guy)
1b88587: 🌱 Fix CVE warning for containerd (@naveensrinivasan)
fd238d0: 🌱 Fix goreleaser permission and flags (@naveensrinivasan)

Thanks for all contributors!